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HW5.Spring2008

# HW5.Spring2008 - Homework Set#5 Due on Monday April 7 2008...

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Homework Set #5 Due on Monday, April 7, 2008 This homework covers the third and fourth steps in your design. In this assignment, you only need to do the transport aircraft part if you are designing the transport aircraft, and vice versa. In the first step of your design, you surveyed existing aircraft to have an idea about the weight of your aircraft, and the engine that it will use. In the second step of your design, you determined the gross weight, the empty weight and the weight of the fuel. The third step in your design is to estimate the wing area S. This depends on the lift coefficient needed at take-off C Lmax , the lift coefficient needed at landing, and the take-off thrust. In the fourth step, you will determine the tail surface areas, and their placement. When the fourth step is done, you are ready to hit the drawing board (or a CAD package) and creating a three-view drawing of your aircraft. Step 3: Wing Area Determination The wing area is chosen from several considerations: (Take-off performance, landing performance, stall speed, cruise speed, climb rate, time to climb to a specified altitude, maneuvering, etc.). Our design requires only that the wing area should be large enough of meet the take-off and landing performance.

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HW5.Spring2008 - Homework Set#5 Due on Monday April 7 2008...

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